APA Style

Kaufman, Donald G., Franz, Cecilia M.. (1993). BIOSPHERE 2000: Protecting Our Global Environment . New York: HarperCollins College Publishers.

Chicago Style

Kaufman, Donald G., Franz, Cecilia M.. BIOSPHERE 2000: Protecting Our Global Environment. New York: HarperCollins College Publishers, 1993. Text.

MLA Style

Kaufman, Donald G., Franz, Cecilia M.. BIOSPHERE 2000: Protecting Our Global Environment. New York: HarperCollins College Publishers, 1993. Text.

Turabian Style

Kaufman, Donald G., Franz, Cecilia M.. BIOSPHERE 2000: Protecting Our Global Environment. New York: HarperCollins College Publishers, 1993. Print.